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| 丽江地区7.0级震前地震序列随潮汐作用的变化特征 | |
| 引用本文： | 吴小平,龚玉兰,黄雍,胡家富.丽江地区7.0级震前地震序列随潮汐作用的变化特征[J].云南大学学报(自然科学版),2000,22(2):116-119. |
| 作者姓名： | 吴小平 龚玉兰 黄雍 胡家富 |
| 作者单位： | 1. 云南大学,地球科学系,云南,昆明,650091 2. 昆明理工大学,数理材料学院,云南,昆明,650041 3. 云南省地震局,云南,昆明,650041 |
| 摘 要： | 对丽江地区７．０级地震前３ａ内发生的１６０５个中小震发震时震源处的潮汐体应力进行了计算，按时间进程统计了震源在潮汐体应力的压，张作用下发生的地震放能量的平方根的比值，得到了７．０级大震前丽江地区地震序列在潮汐体应力压张地震比随时间的变化过程。 |
| 关 键 词： | 丽江 地震序列 潮汐体应力压张地震比 云南 |
| 修稿时间： | 1999-12-07 |
Variation Features of Seismic Sequence under Tidal Effect before M 7.0 Earthquake Lijiang |
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| WU Xiao-ping,GONG Yu-lan,HUANG Yong,HU Jia-fu.Variation Features of Seismic Sequence under Tidal Effect before M 7.0 Earthquake Lijiang[J].Journal of Yunnan University(Natural Sciences),2000,22(2):116-119. | |
| Authors: | WU Xiao-ping GONG Yu-lan HUANG Yong HU Jia-fu |
| Abstract: | Tidal body stress at focus points of 1?605 middle and small earthquakes which took place during three years at Lijiang area before M 7.0 shock Feb.3,1996 are calculated.Statistics about the ratio of the square root of seismic energy related with tidal compression to that of seismic energy related with tidal extension are made on time course.Patterns of the ratio variation with time of the earthquake sequence at Lijiang area before the M 7.0 shock are obtained.The result indicates that the value of the ratio was higher than 1 during the time of more than two years before the M 7.0 shock,and began to go up severely at the time six months before the big shock,and reached the maximum just before the shock. |
| Keywords: | tidal body stress Lijiang earthquake sequence tidal compression-extension earthquake ratio Yunnan |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |